 
                 Patent Grant
 Patent Grant
                     D620050
 D620050
                    
    
    
    
    
    
| Number | Name | Date | Kind | 
|---|---|---|---|
| D119818 | Loewy | Apr 1940 | S | 
| D153540 | Otto | Apr 1949 | S | 
| D429765 | Saito et al. | Aug 2000 | S | 
| D443652 | Sachs et al. | Jun 2001 | S | 
| D448419 | Sachs et al. | Sep 2001 | S | 
| D466941 | Shubert et al. | Dec 2002 | S | 
| D481076 | Ballard | Oct 2003 | S | 
| D517438 | Sato et al. | Mar 2006 | S | 
| D592704 | Becker et al. | May 2009 | S |